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Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Linde has submitted a patent application for Process for Cryogenic Air Separation and Air Separation Plant. Golubev Dimitri developed the invention.
The patent application number is EP20240736651 20240605. The patent publication number is EP4747560 (A1). International Patent Classification code is F25J3/00. ..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has published Daqing Oilfield; PetroChina patent application for Disc-type Semi-direct-drive Motor Mounting Assembly and Adjusting Method Thereof. The invention was developed by Tang Kai, Han Daojun, Liu Yong, Cui Dayong, Yang Jintao, Li Bo, Yang Haibo, Niu Wenjuan, ..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- Xi'an Shiyou University has submitted a patent application for Heterogeneous Oil Field Drilling Rate Dynamic Prediction Method Based on Federated Learning. Liu Ye and Tian Zihao developed the invention.
The patent application number is CN202511544740 20251027. The patent publication number is CN121479173 (A..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Weatherford Technology has submitted a patent application for Control of Annulus Return Flow in Well Operations. Anderson Neil A and Ronson Michael developed the invention.
The patent application number is EP20240739694 20240617. The patent publication number is EP4747470 (A1). International Patent Classific..
Oil & Gas
| Mon 01 Jun 2026
Munich, June 2 -- Linde has sought patent for Method and System for Producing at Least One Product. This invention was developed by Gack Sebastian, Taube Carsten, Aumann Martin, Wagner Bernhard, Liebhart Christian and Fruhmann Christian.
The patent application number is EP20240213204 20241115. The patent publication number is..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has published Daqing Oilfield and PetroChina patent application for Shale Reservoir Plasticity Method Crustal Stress Correction Method Based on Anisotropy. The invention was developed by Li Junhui, Xing Jingyu, Wang Haonan, Kang Peng, Wang Gaowen, Zeng Hongbin, Yasus..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- Southwest Petroleum University has submitted a patent application for Glutenite Longitudinal Wave and Transverse Wave Velocity Logging Prediction Method Considering Gravel Distribution. Yang Jingxin, Li Wei, Liu Xiangjun, Liang Lixi, Xiong Jian, Ding Yi, Wei Xiaochen, Duan Qian and Wan Youwei developed the inv..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Zhongyuan Oilfield Company patent application for Calculation Method of Wrinkle Strength. Hou Xianbo, Du Haokun, Zhang Hao, Zhu Zhiguo, Su Tianli and Li Meng developed the invention.
The patent application number..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Shanghai Ocean Oil & Gas Branch China Petroleum & Chemical Corp patent application for Waveform Driving Inversion Method, Control Device and Storage Medium. The invention was developed by Liu Tingting, Zhang Shanghu, Liu M..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has received Hohai University, CNOOC China Co Ltd Hainan Branch, East China Branch Of Sinopec Petroleum Eng and Geophysics Co Ltd, The Res Institute Of Petroleum Exploration and Development Riped and China University of Petroleum, East China patent application for He..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has released Daqing Oilfield and PetroChina patent application for Injection Pressure Control Method and System for Rock Core Oil Displacement Test. This invention was developed by Wang Baojiang, Wu Zanxiao, Gao Feng, Zhang Yijiang, Lin Shiying, Shi Qingbin, Zhao Lia..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has received University of Science and Technology Beijing patent application for Test Assembly and Oil-gas-water Multiphase Flow Corrosion Simulation Test Device and Method. Zhang Yunan, Yang Yinghua, Dai Xiaojiang, Wen Lei and Gao Wei developed the invention.
The..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Southwest Oil & Gas patent application for Double-seam Coupling Fracturing Design Method and System. Lin Yongmao, Miao Weijie, Deng Yiping, Qiu Ling and Mu Kefan developed the invention.
The patent application nu..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Southwest Oil & Gas patent application for Indoor Biological Membrane Corrosion Dynamic Monitoring System and Method. This invention was developed by Yang Na, Luo Guoshi, Zhang Guodong, Xiao Mao, Zhou Xiaohu and Lu ..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has released China Petroleum & Chemical, Sinopec Beijing Chemical Research Institute Co Ltd and Tsinghua University patent application for Micro-dispersion Performance Observation Platform and Use Method. This invention was developed by Luo Guangsheng, Song Jing, Den..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has received CNPC Shenzhen New Energy Res Institute Co Ltd and PetroChina patent application for Assembling Device for Energy Storage Battery Pack. Wang Liying, Chu Pan, Chen Yang and Zhang Biao developed the invention.
The patent application number is CN202411660..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Natural Gas Branch China Petroleum & Chemical Corp patent application for Natural Gas Pipeline Operation Data Anomaly Detection Method and System. The invention was developed by Liu Mingliang, Sun Bo, Lin Min, Shen Chao, Z..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has received CNOOC China Co Ltd Hainan Branch, NingBo Orient Wires & Cables and China University of Petroleum, Beijing patent application for Leakage Detection Sealing Plug and Leakage Detection Method. Qi Hao, Ji Zhongli, Chen Feng, Wei Xingchao, Yu Guojun and Zhang..
Oil & Gas
| Mon 01 Jun 2026
Munich, June 2 -- European Patent Office has released Nippon Kayaku patent application for Carbon Dioxide Concentrator. This invention was developed by Mitsui Keisuke, Kaiho Atsushi and Nakajima Tomoya.
The patent application number is EP20240839761 20240709. The patent publication number is EP4744758 (A1). International Pate..
Oil & Gas
| Mon 01 Jun 2026
Munich, June 2 -- Mitsubishi Heavy Industries has filed a patent application for Absorption Tower Configuration for Carbon Dioxide Recovery System, Carbon Dioxide Absorption Method. This invention was developed by Matsuo Takeshi, Nagayasu Hiromitsu, Akiyama Tomoh, Natsuyama Seiji and Higashino Koji.
The patent application num..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China and Qingdao Geological Engineering Investig Institute Qingdao Geological Exploration Development Bureau have filed a patent application for Method and System for Determining Granite Mineral Source. This invention was developed by Xu Rui, Yin Zheng, Wang Ruilong, Hao Sh..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- Sichuan Institute Of Land Science and Tech Sichuan Satellite Application Tech Center and China University of Petroleum, East China have applied Chinese patent for Semantic Segmentation Method for Weak Supervision of Point Annotation. Cheng Ji, Zhao Yuanhao, Sun Genyun, Zhang Aizhu and Fang Zheng developed it.
..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- Res Inst Shaanxi Yanchang Petroleum Group Co Ltd, China University of Petroleum, Beijing and Yangtze University have sought patent for Non-intrusive Edfm Method and Device Based on Modified Double-hole Double-seepage Model. This invention was developed by Hou Binchi, Wang Xiangzeng, Wang Xiaofeng, Ni Jun, Dang..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have applied Chinese patent for Decision-making Method and System for Drainage Gas Recovery Process of Gas Well. Liu Tong, Zhang Guodong, Ni Jie, Yao Linyu, Lu Bo and Guo Lixia developed it.
The patent application number is CN20241168932 20240806. T..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Coiled Tubing Eccentric Annulus Sand Washing Construction Displacement Decision-making Method and System. This invention was developed by Zeng Mingyong, Cui Jingyu, Hou Zhimin, Zhou Yijun and Liu Tao.
The pate..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China and Rongsheng Machinery Mft Ltd Of Huabei Oilfield have submitted a patent application for Toughness Design Method for Control System of Offshore Oil and Gas Development Well Control Equipment. Cai Baoping, Liu Yonghong, Xu Hongqi, Zhang Zhidong, Li Wei, Zhang Shaoying..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- Sinopec Engineering and SINOPEC Engineering (Group) have sought patent for Method and Device for Performing Test Question Generation Based on Artificial Intelligence Large Model, Computer Readable Medium and Computer Program Product. This invention was developed by Wu Defei, Dong Wangping, Tian Pengfei, Sheng ..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- Shenzhen Branch China National Offshore Oil and Cnooc Deepwater Dev Ltd have sought patent for Multi-block Processing Data Depth Domain Post-stack Splicing Method and Device, Medium and Equipment. This invention was developed by Xu Yunxia, Lei Shenglan, Liu Daoli, Zhang Zhongtao, Zhang Lili, Xu Leyi, He Ye, Li..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- Daqing Oilfield and PetroChina have submitted a patent application for Hydrocarbon Source Rock Hot-pressing Hydrocarbon Generation and Expulsion Simulation System and Light Hydrocarbon Lossless Quantification Method. This invention was developed by Jia Yanshuang, Feng Zihui, Wang Xue, Jin Wei, Huo Qiuli, Dai F..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China Petroleum & Chemical, Sinopec Beijing Chemical Research Institute Co Ltd and Tsinghua University have applied Chinese patent for Micro-dispersion Process Visualization Device and Micro-dispersion Process Observation Device. Liu Zhendong, Luo Guangsheng, Lyu Yangcheng, Tian Baoliang, Tang Guoqi and Fu Six..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China and China University of Geosciences, Beijing have filed a patent application for Thickened Carbon Dioxide Fluid Friction Resistance Testing System and Method. This invention was developed by Sun Yongpeng, Zhang Haitao, Dai Caili, Huang Shan, Liu Jiawei, Zhao Guang, Liu..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- Daqing Oilfield and PetroChina have sought patent for Emulsion Polymer Performance Determination Method Suitable for Oil Displacement of Oil Field. This invention was developed by Zhou Lei, Lu Jiping, Su Yanchang, Wei Yuyang, Zhang He, Zhang Hong, Li Yazhou, Wu Zanxiao, Lu Yatao, Sun Yanli and Zhu Siyuan.
T..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- Xinjiang Dushanzi Petrochemical Co Ltd, PetroChina and Fute Tanhui Beijing Tech Co Ltd have filed a patent application for Heat Exchange Device. This invention was developed by Wang Xilian, Xu Guangqi, Zheng Xiaojian, Sun Xiang, Li Jin, Fang Songlin, Dai Sheng and Chen Wei.
The patent application number is ..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- Sinopec Oilfield Service, Sinopec Jianghan Oilfield Service Corp and Environmental Protection Tech Service Company Sinopec Jianghan Petroleum Engineering Co Ltd have sought patent for Non-condensable Gas Treatment Method for Thermal Desorption of Oil-based Rock Debris. This invention was developed by Jang Sang..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- China Petroleum & Chem Corp and Sinopec Research Institute of Petroleum Processing have filed a patent application for Manganese-based Adsorption Material, and Preparation Method Therefor and Use Thereof. This invention was developed by Shi Chunfeng, Zheng Jinyu and Guo Wenchang.
The patent application numbe..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Services Petroliers Schlumberger and Schlumberger Technology have sought patent for Deposition of Adsorbent Material And/or Catalyst Material on Metal Surfaces of a Chemical Processing Apparatus. This invention was developed by Geddes Jill, Meredith Andrew, Campos De Faria Debora, Arunachalam Karthikeyan and Ra..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Services Petroliers Schlumberger and GeoQuest Systems have submitted a patent application for Computing Systems and Methods for Energy Data Management. This invention was developed by Arora Hemant, Cruise Jamie, Menon Shashi and Klumpen Hans Eric.
The patent application number is EP20240861122 20240830. The ..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Services Petroliers Schlumberger and GeoQuest Systems have submitted a patent application for Methods and Apparatus to Analyze Emissions for Industry Operations. This invention was developed by Georges-nachef Kinda, Marquina Guinois Elodie, Montiel Edgar Jose and Spenley Karen.
The patent application number ..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Services Petroliers Schlumberger and GeoQuest Systems have sought patent for Validating a Machine Learning Model for Generating Synthetic Rock Files. This invention was developed by Domanova Olga and Huang Yan Song.
The patent application number is EP20230765166 20230811. The patent publication number is EP4..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Services Petroliers Schlumberger and GeoQuest Systems have submitted a patent application for Dynamic Association of Preconfigured Virtual Machines to Domain Users. Haritmonds Kevin, Kumar Vijay, Khamrakulov Boburmirzo, Maiti Ananya, Athare Vikram, Narayanan Arvind, Bujuvally Lingaraju Yogesh, Mukherjee Ankur, ..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Services Petroliers Schlumberger and GeoQuest Systems have submitted a patent application for Artificial Intelligence (ai)-powered Automation of Feasibility Modeling for Geophysical Monitoring Tools. This invention was developed by Paydayesh Mehdi, Shamsa Amir and Perezhogina Maria.
The patent application nu..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Services Petroliers Schlumberger and Schlumberger Technology have filed a patent application for Automated Determination of an NMR Pulse Sequence. This invention was developed by Yarman Can Evren and Mutina Albina.
The patent application number is EP20240857071 20240816. The patent publication number is EP47..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Services Petroliers Schlumberger and GeoQuest Systems have submitted a patent application for Systems and Methods for Rod Pump Control. This invention was developed by Gambaretto Agustin, Hernandez De La Bastida Miguel Angel, Deng Lichi, Srivastava Saket and Yermekova Moldir.
The patent application number is..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Services Petroliers Schlumberger and Schlumberger Technology have submitted a patent application for Lost Circulation Control Treatment. This invention was developed by Pallapothu Surya Kiran, Jain Bipin and Nedir Makhlouf Zakia.
The patent application number is EP20240852742 20240807. The patent publication..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Univ Adelaide and Flinders Univ have submitted a patent application for Method and Device for Sperm Selection. Robertson Sarah, Mcpherson Nicole, Sharkey David, Rasi Ghaemi Soraya and Vasilev Krasimir Atanasov developed the invention.
The patent application number is EP20240841828 20240717. The patent public..
Oil & Gas
| Mon 01 Jun 2026
Munich, June 2 -- China Petroleum & Chem Corp and Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd have sought patent for Microcapsule, Preparation Method Therefor, and Use Thereof. This invention was developed by Song Lechun, Wang Xingyue, Cao Peng, Li Chenze and Li Zhijun.
The patent application number is EP202309..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- Qingdao Institute of Surveying and Mapping Survey and China University of Petroleum, East China have submitted a patent application for Ancient Building Indoor Reconstruction Large Model Illusion Suppression Method Based on Multi-precision Knowledge Graph. This invention was developed by Shao Chengli, Zhao Hua..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- China Petroleum & Chemical and Shanghai Ocean Oil & Gas Branch China Petroleum & Chemical Corp have sought patent for Condensate Gas Reservoir Staging Yield Correction Method and Computer Readable Storage Medium. This invention was developed by Wang Jianwei, Zhao Yong, Yin Guofeng, Zhao Tianpei, Xu Chen and Wa..
Oil & Gas
| Mon 01 Jun 2026
Munich, June 2 -- European Patent Office has received China Petroleum & Chem Corp and Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd patent application for Asphalt Additive, and Asphalt Composition and Preparation Method Therefor. Song Lechun, Li Zhijun, Cao Peng, Li Chenze and Wang Xingyue developed the invention.
..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- European Patent Office has released Services Petroliers Schlumberger and Schlumberger Technology patent application for Smart Data Acquisition for Gyrocompass Applications. This invention was developed by Jarrot Arnaud, Katayama Makito, Croux Arnaud and Urbain Joffroy.
The patent application number is EP2024..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- European Patent Office has received Services Petroliers Schlumberger and GeoQuest Systems patent application for Automatically Generated Kinematically Consistent Velocity Models. Flagg Garret developed the invention.
The patent application number is EP20230949916 20230823. The patent publication number is EP..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- European Patent Office has received Services Petroliers Schlumberger and GeoQuest Systems patent application for Directional Drilling Framework. Sahli Hussein and Ba Samba developed the invention.
The patent application number is EP20230949263 20230818. The patent publication number is EP4747475 (A1). Intern..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Entegris has sought patent for Baseplate for Supporting a Reticle and Related Systems and Methods. This invention was developed by Wang Huaping, Raschke Russ V and Wiseman Brian.
The patent application number is EP20240846179 20240604. The patent publication number is EP4747689 (A1). International Patent Class..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Weatherford Technology has filed a patent application for Non-intrusive Rheometer for Use in Well Operations. This invention was developed by Northam Paul R and Busteed John E.
The patent application number is EP20240739696 20240617. The patent publication number is EP4747604 (A1). International Patent Classif..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has submitted a patent application for Oxygen Reduction Air Flooding Injection-production Parameter and Well Location Combined Multi-objective Optimization Method Based on Time Sequence Prediction Model. This invention was developed by Su Yuliang, Wang Xinhao, Wang Wen..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has submitted a patent application for Mass Heterogeneous Task Elastic Scheduling Method Based on Multi-granularity State Perception. This invention was developed by Pang Shanchen, He Xiao, Zhang Kuijie, Qiao Sibo and Gui Haiyuan.
The patent application number is CN20..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has released China University of Petroleum, Beijing patent application for Pipeline Damage Working Condition Simulation Test Device for Deepwater Underwater Production System. This invention was developed by Wu Shengnan, Zhang Laibin and Yu Long.
The patent applicat..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- PetroChina has applied Chinese patent for Pipeline Pressure Leaking Stoppage Device and Operation Method. Wang Shuai, Xie Yi, Liu Xubing, Mao Yanheng, Li Qinyan and Duan Renyuan developed it.
The patent application number is CN20241164881 20240805. The patent publication number is CN121474439 (A). Internation..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- European Patent Office has released OneSubsea patent application for Directional Overcurrent Monitoring in Substation Transformers. This invention was developed by Askeland Audun Magne and Baricuatro Kristiansen.
The patent application number is EP20240852869 20240809. The patent publication number is EP474794..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Entegris has submitted a patent application for Method and Device for Front Gas Delivery into a Container. Smith Mark V, Eggum Shawn D and Yakuba Aleksandr A developed the invention.
The patent application number is EP20240846305 20240719. The patent publication number is EP4747912 (A1). Cooperative Patent Cla..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Entegris has filed a patent application for Method and Device to Distribute Gas into a Container. This invention was developed by Smith Mark V, Eggum Shawn D and Fuller Matthew A.
The patent application number is EP20240846304 20240719. The patent publication number is EP4747911 (A1). Cooperative Patent Classi..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Entegris has submitted a patent application for Module Retainer. Smith Mark V, Eggum Shawn D and Fuller Matthew A developed the invention.
The patent application number is EP20240846303 20240719. The patent publication number is EP4747910 (A1). Cooperative Patent Classification code is H10P72/1926 (EP).
Europ..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- European Patent Office has received Entegris patent application for Method and Device to Distribute Gas into a Container. Smith Mark V, Fuller Matthew A and Eggum Shawn D developed the invention.
The patent application number is EP20240846302 20240719. The patent publication number is EP4747909 (A1). Cooperati..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has submitted a patent application for Hyperspectral Image Super-resolution Method Based on Unmixing. This invention was developed by Ren Peng, Xu Yinghao and Ni Zihao.
The patent application number is CN20261031047 20260112. The patent publication number is CN1214818..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has filed a patent application for Gas Storage Well Productivity Calculation Method in Complex Seepage Environment. This invention was developed by Gu Jianwei, Liu Shihao, Wu Shengnan, Liu Yixuan, Tian Yan, Qu Jingxuan and Zhou Yuhang.
The patent application number is..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has published CNOOC China Co Ltd Hainan Branch patent application for Method for Quantitatively Evaluating Vertical Oil and Gas Transmission Capacity of Fractured Basin Fracture. The invention was developed by Wan Yang, He Xiaohu, Gan Jun, Jin Qiuyue and Hu Wenyan.
..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has submitted a patent application for Method for Testing Gas Composition of Closed Pores of Shale Under In-situ Condition. Yang Shengyu, Zhang Tingyu, Feng Jiale, Hu Qinhong and Wang Qiming developed the invention.
The patent application number is CN202511601786 2025..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- PetroChina has submitted a patent application for Back-pressure Valve and Equipment for Simulating Stratum Core. This invention was developed by Wang Xiuwei, Du Shan, Yao Weiyou, Wang Lei, Wang Hongtao, Tang Xianrong, Zhang Hong and Chen Yajuan.
The patent application number is CN20241165898 20240805. The pat..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- PetroChina has submitted a patent application for Anti-corrosion Ultrahigh-temperature and High-pressure Resistant Static Sealing Structure and Assembling Method Thereof. This invention was developed by Li Zhihong, Li Ming, Li Kai, Liu Jiaxing, Nie Xiaobin, Luo Qiang, Xu Liang, Hui Zeyou, Ning Meng, Zhang Yun,..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- PetroChina has submitted a patent application for Mobile Photovoltaic Power Station and Power Supply Method. Fan Zhouchuan, Kang Qingbo, Wei Tianliang, Yuan Xizhi, Wang Rongsong, Wang Peisen, Yang Song, Bian Shaosen, Chang Wei and Zhang Hu developed the invention.
The patent application number is CN2024114226..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has published PetroChina patent application for Large Language Model Training Data Set Traceability Marking Method. The invention was developed by Pang Dawei, Liu Xiaotian, Lin Zhongling, Tang Jia, Wang Fuyong and Fu Hao.
The patent application number is CN202411706..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has published PetroChina patent application for Carbonate Rock Abnormal High Pressure Probability Calculation Method, System, Equipment, Medium and Product. The invention was developed by Song Jinpeng, Duan Yongxian, Hu Xiaoyong, Lei Fei, Xu Kaitong, Dai Junjie, Ge S..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- PetroChina has submitted a patent application for Characterization Method for Development Degrees of Natural Fractures with Different Scales. Wang Wei, Wang Zhenlin, Hu Xuan, Liu Caiguang, Zhao Long, He Wenjun, Chen Shanhe, Chen Gang, Yin He and Tang Tingming developed the invention.
The patent application nu..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- PetroChina has sought patent for Azimuth Anisotropy Depth Velocity Modeling Method Based on Data Driving. This invention was developed by He Zongqiang, Chen Kang, Luo Bing, Liu Xiaobing, Peng Haotian and Wang Hao.
The patent application number is CN20241164556 20240805. The patent publication number is CN1214..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has submitted a patent application for Earthquake Attenuation Compensation Method Based on Angle Domain Common Imaging Point Gather. This invention was developed by Yang Jidong, Yan Fan and Huang Jianping.
The patent application number is CN202511457068 20251013. The ..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has filed a patent application for Imaging Ray Domain Three-dimensional Pre-stack Wave Equation Time Migration Method. This invention was developed by Yang Jidong, Yan Fan and Huang Jianping.
The patent application number is CN202511453685 20251013. The patent publica..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has published China University of Petroleum, East China patent application for Elastic Reverse Time Migration Imaging Method Based on Deflective Stress Characterization. The invention was developed by Yang Jidong, Wang Pengfei, Huang Jianping and Shan Tiantao.
The p..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, Beijing has applied Chinese patent for Three-dimensional Modeling and Synchronous Identification Method Fusing Karst Cave and River Channel and Related Equipment. Yan Binpeng, Zhao Jiaqi, Li Mutian, Pan Rui and Wang Yongliang developed it.
The patent application number is CN2025..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has released PetroChina patent application for Prestack Crack Prediction Method and System Under Velocity Anisotropy Constraint. This invention was developed by Sun Chonghao, Yang Pengfei, Luo Xinsheng, Kang Tingting, Shi Lei, Wang Xinxin, Tian Haonan, Yang Liangang,..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- PetroChina has submitted a patent application for Intelligent Data Acquisition Control System and Communication Method. Yue Xianmin, Teng Qigang, Cai Xiaodong, Wang Weifeng, Liu Qingfa, Yang Jiaqi, Xu Huiyao, Liu Xuejun and He Qiaofeng developed the invention.
The patent application number is CN20241166193 20..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has applied Chinese patent for TLS Protocol Based on Anti-quantum Cryptography. Song Lei, Shi Leyi, Wang Jingkai and Hwang Hyun-chul developed it.
The patent application number is CN202511800370 20251202. The patent publication number is CN121485927 (A). International..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- PetroChina has submitted a patent application for Tight Gas Gathering and Transportation Pipeline Corrosion Prediction Method, System, Equipment and Medium. Wang Feng, Xu Yong, Huang Hongfa, Xu Lei, Yuan Xi and Wang Yanran developed the invention.
The patent application number is CN20241172048 20240806. The p..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has filed a patent application for Full-automatic Sand Adding Simulation Experiment Device and Method Capable of Controlling Sand Adding Speed. This invention was developed by Dong Changyin, Xue Dongyu, Li Na, Li Zhangyu, Zhang Jinyi, Shi Yongda, Feng Shuhao, Bai Li an..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Logging Instrument for Gas Well. Teng Wenjiang, Lei Wei, Xie Zhi, Cui Jingyu and Wang Qiang developed the invention.
The patent application number is CN20241169322 20240806. The patent publication number is CN..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Logging Instrument for Gas Well. This invention was developed by Xie Zhi, Lei Wei, Teng Wenjiang, Cui Jingyu and Hou Zhimin.
The patent application number is CN20241169320 20240806. The patent publication numb..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have sought patent for Staged Fracturing Method and Differential Pressure Sliding Sleeve. This invention was developed by Chen Chen, Zhou Yijun, Zhao Wei, Liu Tao and Teng Wenjiang.
The patent application number is CN20241168172 20240806. The patent..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- Daqing Oilfield and PetroChina have applied Chinese patent for Temporary Plugging Staged Fracturing Method for Casing Damage Horizontal Well. Yang Yucai, Fan Lihua, Chen Yanzhen, Ren Zhongxi, Wu Shaojie, Wang Qingwen, Li Yingying and Fan Yu developed it.
The patent application number is CN20241165572 202408..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- Sinopec Oilfield Service, Sinopec Shengli Petroleum Engineering and Downhole Operation Co Sinopec Shengli Petroleum Engineering have sought patent for Fracturing Control Method and System for Slotting Equipment, Computer Equipment and Computer Program. This invention was developed by Yang Yu-shen, Zhou Xiangju..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Underground Self-excited Pump and Integrated Tubular Column. This invention was developed by Pan Jian, Hu Dan, Zeng Mingyong, Zhao Wei, Qian Jiang and Teng Wenjiang.
The patent application number is CN20241169317 ..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Sand Prevention Gas Lift Device. This invention was developed by Liu Tao, Hou Zhimin, Xue Lina, Pan Jian and Cui Jingyu.
The patent application number is CN20241168537 20240806. The patent publication number i..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Underground Plug-in Fluid Controller and Construction Method. This invention was developed by Liu Tao, Hou Zhimin, Zeng Mingyong, Su Biao, Pan Jian and Wen Chao.
The patent application number is CN20241167612 2024..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Downhole Fluid Control Device and Construction Technology. This invention was developed by Liu Tao, Liu Yintao, Hou Zhimin, Hu Dan and Zhao Wei.
The patent application number is CN20241167568 20240806. The pat..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Gas Lift Tool and Process. This invention was developed by Xie Zhi, Hou Zhimin, Zhao Wei, Qian Jiang, Zeng Mingyong and Pan Jian.
The patent application number is CN20241167211 20240806. The patent publication num..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have sought patent for Switchable Bypass Sand Prevention Device and Construction Technology. This invention was developed by Liu Tao, Liu Yintao, Hou Zhimin, Dong Haifeng, Cui Jingyu and Zhou Yijun.
The patent application number is CN20241168024 202..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Soluble Time-delay Opening Toe-end Sliding Sleeve and Using Method Thereof. This invention was developed by Liu Tao, Hu Shunqu, Hou Zhimin, Qian Jiang, Cui Jingyu and Chen Chen.
The patent application number is CN..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Soluble Time-delay Opening Toe-end Sliding Sleeve. This invention was developed by Liu Tao, Qian Jiang, Cui Jingyu, Pan Jian, Zhao Wei and Hu Dan.
The patent application number is CN20241169312 20240806. The paten..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Check Valve for Closed Gas Lift and Plugging Tool of Check Valve. This invention was developed by Zhou Yijun, Chen Chen, Cui Jingyu and Zeng Mingyong.
The patent application number is CN20241168925 20240806. T..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Downhole Fluid Two-way Control Valve and Downhole Accumulated Liquid Cleaning Method. Liu Tao, Zhang Guodong, Cui Jingyu, Qian Jiang, Zhao Wei and Teng Wenjiang developed the invention.
The patent application ..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Cluster Type Sliding Sleeve. This invention was developed by Chen Chen, Zhou Yijun, Pan Jian, Qian Jiang and Zeng Mingyong.
The patent application number is CN20241168200 20240806. The patent publication numbe..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have sought patent for Differential Pressure Sliding Sleeve and Pressure Testing Method. This invention was developed by Chen Chen, Qian Jiang, Hu Dan, Zhao Wei and Liu Tao.
The patent application number is CN20241168074 20240806. The patent publica..
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